Meaning of SURETY in English
n. 25B6; noun
she's a surety for her his obligations : GUARANTOR, sponsor.
bail of £10,000 with a further £10,000 surety : PLEDGE, collateral, guaranty, guarantee, bond, assurance, insurance, deposit; security, indemnity, indemnification; earnest.
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012